All of the performances of the car, break performance is one of the most important. In the stage of automotive design, road tests usually are not available, only special brake tests are used to simulate the test. Using brake tester is a good measure to decide the vehicle braking performance. To carry out the brakes test and to explore inertia, it can better simulate the actual use of the brake mode and environmental conditions, a more realistic response to brake performance, not only brake to improve the level of R & D to enhance the braking technology, but also can improve brake testing technology to improve the design level test bench, the most critical is a good control analysis of the mathematical modeling of the brake product development, quality control, and vehicle braking performance are very important. Based on the data calculation and analysis, model, and the control algorithm, obtained reasonable control of the brake test bench mathematical modeling, and the method to do the appropriate improvements.
With traffic problems becoming more prominent issues, directing traffic is no longer can be solved relying solely on human effort. Therefore, the design of traffic lights to complete this demand has become increasingly urgent. In order to ensure vehicular and pedestrian traffic at the crossroads of the smooth, clear through, electronic traffic signal control command is often used. This article describes the use of digital circuits to achieve the design of traffic lights. The paper first describes the design principles of traffic lights and the total circuits, all units were introduced in the total circuits, the final design of the circuit diagram of the test simulation. Simulation results from the experiment can be seen in this article the design of the circuit can be achieved on the control of traffic lights, and simple method for the design of traffic signal controller to provide a certain degree of meaningful research.
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